Pyrotechnical compound.



Patented November 22, 1904.

PATENT @rricat KARL HUFNAGEL, OF SlLBERHfiTTE-ANHALT, GERMANY, ASSIGNOR TO EDWARD H. WAGNER,

OF NEW YORK, N. Y.

PYQQTECHNEGAL CQMPQUND;

SPECIFICATION forming part of Letters Patent No. 775,822, dated November 22, 1904.

Application filed September 15, 1904.

To a whom, it rmry concern.-

Be it known that I, KARL HUFNAGEL, a subject of the-Emperor of Germany, residing at Silberhiitte-Anhalt, Ballenstedt, and Duchy of Anhalt, Germany, have invented certain new and useful Improvements in Pyrotechnical Compounds; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to compounds for the manufacture of pyrotechnical torpedoes or matches; and the principal object of the same is to provide a compound which will cause a.

series of rapidly-repeating reports and which will not require matches or fire to ignite the pieces.

The compound referred to consists of the following chemical constituents in substantially the proportions indicated: white phosphorus, one part; amorphous or red phosphorus, one part; potassium chlorate, three Serial No. 224,620. (No specimens.)

parts; red argillacious clay or pigment, two parts; gum arabic, five parts. This compound when properly mixed into a mass and inclosed in capsules, in sticks, or suitable covers maybe ignited by friction or concussion,

which results in a series of rapidly-repeating KARL HUFNAGEL.

Witnesses:

FRANZ BONHOUR, CARL GADAU. 

